Leadscrew Material

Home| Search | About
User Password
Register Now! Lost Password?

Model Engineering in UK - Model engineering, metal crafts in UK 

Bookmark this page:  YahooMyWeb Yahoo!  Google Google  Windows Live Favorites Windows Live  del.icio.us del.icio.us  digg digg  Add to Netscape Netscape
Subject Author Date
Leadscrew Material Nourish 02-24-2008
Posted by Nourish on February 24, 2008, 3:41 am
Please log in for more thread options
Hello, I'm going to have a go at making a new leadscrew for my milling
machine - does anyone know what grade of steel I should make it out of?
Cheers


--
Nourish
------------------------------------------------------------------------
Nourish's Profile: http://www.rcgroups.com/forums/member.php?u=188123
View this thread: http://www.rcgroups.com/forums/showthread.php?t=823485


Posted by Peter Neill on February 24, 2008, 5:15 am
Please log in for more thread options
 On Sun, 24 Feb 2008 02:41:20 -0600, Nourish

>
>Hello, I'm going to have a go at making a new leadscrew for my milling
>machine - does anyone know what grade of steel I should make it out of?
>Cheers


When I needed a new leadscrew for my Myford I just bought a length of
L/H Acme leadscrew stock from these people, and modded the ends to
suit.
Material is EN8.
http://www.kingston-engineering.co.uk/

Peter

Posted by on February 24, 2008, 6:00 am
Please log in for more thread options
> Hello, I'm going to have a go at making a new leadscrew for my milling
> machine - does anyone know what grade of steel I should make it out of?
> Cheers
>
> --
> Nourish
> ------------------------------------------------------------------------
> Nourish's Profile:http://www.rcgroups.com/forums/member.php?u=188123
> View this thread:http://www.rcgroups.com/forums/showthread.php?t=823485

As Peter says, in the UK, EN8 (BS 970 080M40 Carbon Steel) is the type
of material used. Basic medium carbon steel which is fairly easy to
machine. If you are on the "other" side of the pond, then Stressproof
1144 is a good choice. This is a modified SAE 1144 Steel which has
been stress relieved. Not sure if it is available over here though.

Have a look at this thread which covers Peter's replacement for his
Myford:

http://groups.google.co.uk/group/uk.rec.models.engineering/browse_thread/thread/1194890c9f53f387/640d75b6996dbf3f?lnk=gst&q=making+leadscrew#

It really is easier to buy a length of threaded material and adapt the
ends to fit. Is it for your Marlow? if so I think that is 5 TPI and
depending on the diameter may be fairly easy to get and not too
expensive. Certainly worth considering as the commercial offering will
have ground threads and thread cutting long lengths accurately is
notoriously difficult unless you have access to some nice machinery.

Regards

Keith

Posted by Peter Neill on February 24, 2008, 6:53 am
Please log in for more thread options
On Sun, 24 Feb 2008 03:00:14 -0800 (PST), jontom_1uk@hotmail.com
wrote:

>. Basic medium carbon steel which is fairly easy to
>machine. If you are on the "other" side of the pond, then Stressproof
>1144 is a good choice. This is a modified SAE 1144 Steel which has
>been stress relieved. Not sure if it is available over here though.
>

>Keith


Keith, there is actually an equivalent over here which you can buy
through Macreadys. It's 226M44 (BS970) and listed in their catalogue
as "USACUT 45".

Its basically a 0.44% carbon, freecutting EN8. I bought a couple of
lengths in 5/8", 1-1/8", & 1-3/8" for stock, and you can stick a
flame over it to make it harder quite easily.

I though this would be a bit more versatile as a stock material for a
model engineer than mild steel, and it cuts much nicer too.

Peter

Posted by on February 24, 2008, 7:02 am
Please log in for more thread options
> On Sun, 24 Feb 2008 03:00:14 -0800 (PST), jontom_...@hotmail.com
> wrote:
>
> >. Basic medium carbon steel which is fairly easy to
> >machine. If you are on the "other" side of the pond, then Stressproof
> >1144 is a good choice. This is a modified SAE 1144 Steel which has
> >been stress relieved. Not sure if it is available over here though.
>
> >Keith
>
> Keith, there is actually an equivalent over here which you can buy
> through Macreadys. It's 226M44 (BS970) and listed in their catalogue
> as "USACUT 45".
>
> Its basically a 0.44% carbon, freecutting EN8. I bought a couple of
> lengths in 5/8", 1-1/8", & 1-3/8" for stock, and =A0you can stick a
> flame over it to make it harder quite easily.
>
> I though this would be a bit more versatile as a stock material for a
> model engineer than mild steel, and it cuts much nicer too.
>
> Peter

Thanks Peter I hadn't found that one. Timely as well, I'm just about
to buy a couple of lengths of "stock" so I will try some. The "mild
steel" that the local stock holder delivers is "variable" to say the
least and rarely cuts well. I really should have learnt by now that
the "bargain" rarely is and I need to be more particular in buying
stock steels. :-)

Best regards

Keith


Contact Us | Privacy Policy

XML SitemapXML Sitemap